226091923 has 4 divisors (see below), whose sum is σ = 226165968. Its totient is φ = 226017880.

The previous prime is 226091881. The next prime is 226091933. The reversal of 226091923 is 329190622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 329190622 = 2 ⋅164595311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226091923 is a prime.

It is a super-2 number, since 2×226091923² = 102235115291675858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226091933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32236 + ... + 38617.

It is an arithmetic number, because the mean of its divisors is an integer number (56541492).

Almost surely, 2^226091923 is an apocalyptic number.

226091923 is a deficient number, since it is larger than the sum of its proper divisors (74045).

226091923 is an equidigital number, since it uses as much as digits as its factorization.

226091923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74044.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 226091923 is about 15036.3533810562. The cubic root of 226091923 is about 609.2025079629.

The spelling of 226091923 in words is "two hundred twenty-six million, ninety-one thousand, nine hundred twenty-three".